Expanding speaker base



FIG. 1 is a perspective view of an expanding speaker base, in a closed position, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of the expanding speaker base, alone, shown in a closed position;

FIG. 9 is a perspective view of the expanding speaker base, in an open position;

FIG. 10 is a top plan view of an expanding speaker base alone, in an open position, showing our new design; and,

FIG. 11 is a perspective view thereof.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for an expanding speaker base, as shown and described. 